dadwassim522 dadwassim522
  • 01-10-2020
  • Mathematics
contestada

A solid metallic sphere of radius 3 cm is melted and drawn into a cylindrical wire of radius 5 mm. Find the length of the wire.

Respuesta :

mhanifa
mhanifa mhanifa
  • 01-10-2020

Answer:

  • 144 cm

Step-by-step explanation:

Given

  • Radius of a sphere = 3 cm
  • Radius of a cylinder = 5 mm = 0.5 cm

Volume of a sphere

  • V = 4/3πr³= 4/3*3³π = 36π cm³

Volume of a cylinder

  • V = πr²h = π*0.5²h = 0.25πh cm³

Comparing volumes to get the length of the wire

  • 36π = 0.25πh
  • h = 36π/0.25π = 144 cm
Answer Link

Otras preguntas

*PLEASE HELP ME ILL GIVE BRAINLIST IF CORRECT*Noah is playing a game where he must spin two wheels, each with 9 equal slices. There are 3 red slices, 3 green sl
what process takes place at the boundary between the capillaries and the alveoli?
To find the missing value?
Which of the following was a well known abolitionist? A. Sullivan Ballou B. Wendell Phillips C. Jefferson Davis D. Abraham Lincoln
Anyone ?? Know the answers to these both? Due tmr morning
Can someone help with this please
Which substance will sublimate when in the solid phase at room temperature and pressure? Select the correct answer below: A) carbon dioxide B) water C) mercury
A friend of yours wants to take up a new sport to get fit and meet new people, but she hasn't got much time. Talk together about the different activities she c
Why does STOMP appeal to people worldwide?
Which literary term is used to identify "and a twinkle in her eye" in the sentence below? And with a swish of her wand and a twinkle in her eye, Cinderella's fa